Home / 12,433.49-18,651.25-5,413.73

Finding the Fourth Proportional to 12,433.49, 18,651.25 and 5,413.73

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Solution

The fourth proportional to 12,433.49, 18,651.25 and 5,413.73 is: 8,121.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,433.49 : 18,651.25 = 5,413.73 : x
  2. Step 2: Convert to fraction form
    12,433.49/18,651.25 = 5,413.73/x
  3. Step 3: Cross multiply
    12,433.49x = 18,651.25 × 5,413.73
  4. Step 4: Simplify right side
    12,433.49x = 100,972,831.66
  5. Step 5: Solve for x
    x = 100,972,831.66/12,433.49
  6. Step 6: Final answer
    x = 8,121.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.